Hi all, recently I encountered a problem about some environment params that we
exported not being recognised and parsed properly when runnning the command "
*bitbake -c populate_sdk_ext ipcam-image* ". For comparison, " bitbake -c
populate_sdk ipcam-image " can work perfectly.
Currently, I don't know how to dig out the root cause and resolve it
accordingly. Any help from here is appreciated.
*1. The error messages are as following:*
ERROR: ipcam-image-1.0-r0 do_populate_sdk_ext: Failed to generate filtered task
list for extensible SDK:
### Shell environment set up for builds. ###
You can now run 'bitbake <target>'
Common targets are:
core-image-minimal
core-image-full-cmdline
core-image-sato
core-image-weston
meta-toolchain
meta-ide-support
You can also run generated qemu images with a command like 'runqemu qemux86-64'.
Other commonly useful commands are:
- 'devtool' and 'recipetool' handle common recipe tasks
- 'bitbake-layers' handles common layer tasks
- 'oe-pkgdata-util' handles common target package tasks
ERROR: bitbake failed:
Loading cache...done.
Loaded 0 entries from dependency cache.
Parsing recipes...ERROR:
/yocto/system/sjhan/re_sdk/sdk_1.5/topdir/out/yocto_out/cv2_chestnut/tmp/work/cv2x-poky-linux/ipcam-image/1.0-r0/sdk-ext/image/tmp-renamed-sdk/layers/meta-ambalib/recipes-sensor/OMC/omc-ov2778-datas/
omc-ov2778-datas_1.0.0.bb : EXTERNALSRC must be an absolute path *
*...........................
*2. Take one recipe as example.*
*Because of the "EXTERNALSRC" in our recipes contain the environment params, so
I added some printing informations* in " meta/classes/externalsrc.bbclass "
*to* print the value of externalsrc after error messages *.
Then I found that some environment variables can be parsed but others cannot.*
Parsing recipes...ERROR:
/yocto/system/sjhan/re_sdk/sdk_1.5/topdir/out/yocto_out/cv2_chestnut/tmp/work/cv2x-poky-linux/ipcam-image/1.0-r0/sdk-ext/image/tmp-renamed-sdk/layers/meta-ambalib/recipes-sensor/OMC/omc-ov2778-datas/omc-ov2778-datas_1.0.0.bb:
*EXTERNALSRC must be an absolute path* : ${ENV_TOP_DIR} /packages/idsp/data/
img_cv2x /OMC/ov2778
These are the content of this recipe: omc-ov2778-datas_1.0.0.bbappend.
inherit externalsrc
EXTERNALSRC = " ${ENV_TOP_DIR} /packages/idsp/data/ img_${AMBA_IMG_ARCH}
/OMC/ov2778"
EXTERNALSRC_BUILD =
"${ENV_TOP_DIR}/packages/idsp/data/img_${AMBA_IMG_ARCH}/OMC/ov2778"
The environment params here are exported in ambaenv.bbclass. And we inherit
this bbclass in omc-ov2778-datas_1.0.0.bb.
*3. Continue tracking.
I tried to trace the poky source code. The code execution flow is as below. I
also put the code piece here about where the error occurred.*
* poky/meta/lib/oe/copy_buildsystem.py: check_sstate_task_list(). In this
function, it runs *bb.process.run(cmd, stderr=subprocess.STDOUT, env=env,
cwd=cwd, executable='/bin/bash')* , the *cmd* here is ".
layers/poky/oe-init-build-env . ;PYTHONDONTWRITEBYTECODE=1
BB_SETSCENE_ENFORCE=1 PSEUDO_DISABLED=1 oe-check-sstate ipcam-image
meta-extsdk-toolchain:do_populate_sysroot -s -o
/yocto/system/sjhan/re_sdk/sdk_1.5/ambarella/out/yocto_out/cv2_chestnut/tmp/work/cv2x-poky-linux/ipcam-image/1.0-r0/tasklist.txt
-l
/yocto/system/sjhan/re_sdk/sdk_1.5/ambarella/out/yocto_out/cv2_chestnut/tmp/work/cv2x-poky-linux/ipcam-image/1.0-r0/tasklist_bb_log.txt
".
* poky/scripts/oe-check-sstate: check(). In this function, it runs *output =
subprocess.check_output(cmd, stderr=subprocess.STDOUT, env=env)* , the *cmd*
here is " ['bitbake', '--dry-run', '--runall=build', 'ipcam-image',
'meta-extsdk-toolchain:do_populate_sysroot'] "
*Then, the error occured.
4. Other informations maybe help.
* I enter the directory
tmp/work/cv2x-poky-linux/ipcam-image/1.0-r0/sdk-ext/image/tmp-renamed-sdk and
rerun the command ". layers/poky/oe-init-build-env . " and " bitbake --dty-run
--runall=build ipcam-image ", I can reproduce this issue.
If I don't rerun ". layers/poky/oe-init-build-env . " but just run " bitbake
--dty-run --runall=build ipcam-image ", it can pass. *
*
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